Visitors take photos of the Robot Assistant Pepper by SoftBank Robotics during the Mobile World Congress in Barcelona, Spain February 27, 2018. The Mobile World Congress, the world' s biggest mobile fair, is held in Barcelona from February 26 to March 1. (Photo by Yves Herman/Reuters)





A driverless car controlled by a Huawei Mate 10 Pro mobile is pictured during the Mobile World Congress in Barcelona, Spain, February 26, 2018. (Photo by Yves Herman/Reuters)





An engineer points to a Huawei Mate 10 Pro mobile used to control a driverless car during the Mobile World Congress in Barcelona, Spain, February 26, 2018. (Photo by Yves Herman/Reuters)





A visitor tries out Lenovo augmented reality glasses with the Star Wars Jedi Challenges during the Mobile World Congress in Barcelona, Spain, February 26, 2018. (Photo by Yves Herman/Reuters)





A visitor tries the MBUX (Mercedes-Benz User Experience) multimedia system during the Mobile World Congress in Barcelona, Spain, February 27, 2018. (Photo by Yves Herman/Reuters)





A visitors takes a selfie at Samsung booth during the Mobile World Congress in Barcelona, Spain, February 27, 2018. (Photo by Yves Herman/Reuters)





A woman holds the new Nokia 8 Sirocco during the Mobile World Congress in Barcelona, Spain, February 25, 2018. (Photo by Yves Herman/Reuters)





A hologram advert presented by Hypervsn by Kino-mo floats in mid-air during the Mobile World Congress in Barcelona, Spain, February 27, 2018. (Photo by Yves Herman/Reuters)





A visitor plays virtual football with Vive augmented reality glasses during the Mobile World Congress in Barcelona, Spain, February 27, 2018. (Photo by Yves Herman/Reuters)





A woman checks Samsung's Galaxy S9+ slow-motion video inside its booth at theg the Mobile World Congress in Barcelona, Spain, February 27, 2018. (Photo by Yves Herman/Reuters)





The new Nokia 8110 is displayed during the Mobile World Congress in Barcelona, Spain, February 25, 2018. (Photo by Yves Herman/Reuters)





The new Nokia 8110 is displayed during the Mobile World Congress in Barcelona, Spain, February 25, 2018. (Photo by Yves Herman/Reuters)





A waterproof smart watch from Shenzhen Ployer Electronics is seen on display at their booth at the Mobile World Congress in Barcelona, Spain, February 26, 2018. (Photo by Yves Herman/Reuters)





The home-use social robot piBo is displayed at the Mobile World Congress in Barcelona, Spain, February 26, 2018. (Photo by Yves Herman/Reuters)





The Crosscall Action-X3 waterproof smartphone is seen at the Mobile World Congress in Barcelona, Spain, February 26, 2018. (Photo by Sergio Perez/Reuters)





The Bless Plus smartphone by Portugal's Ikimobile and which is partially made of cork is seen on display at the Mobile World Congress in Barcelona, Spain, February 26, 2018. (Photo by Sergio Perez/Reuters)





The Sony Xperia XZ2 is seen on display during the Mobile World Congress in Barcelona, Spain, February 26, 2018. (Photo by Yves Herman/Reuters)





A visitor tries out Lenovo augmented reality glasses with the Star Wars Jedi Challenges during the Mobile World Congress in Barcelona, Spain, February 26, 2018. (Photo by Yves Herman/Reuters)





A Samsung Galaxy S9 is displayed with an AR emoji at the Samsung booth at the Mobile World Congress in Barcelona, Spain, February 26, 2018. (Photo by Yves Herman/Reuters)





A visitor tries out VR glasses during the Mobile World Congress in Barcelona, Spain, February 26, 2018. (Photo by Yves Herman/Reuters)